Yahoo Financeยท2025-09-22 17:23Group 1: Nvidia and OpenAI Investment - Nvidia announced a $100 billion investment in OpenAI to develop AI data centers, leading to a rise in its stock price and boosting major U.S. equity indexes [2][6] - Nvidia's investment positively impacted its partners, including Super Micro Computer and Micron Technology, which also saw their stock prices increase [2] Group 2: Semiconductor Equipment Sector - Teradyne's shares surged after Susquehanna raised its price target from $133 to $200, indicating expected growth in demand for semiconductor equipment [3] - Other semiconductor equipment manufacturers, such as Applied Materials, ASML, and Lam Research, also experienced stock price increases [3] Group 3: Apple and iPhone Demand - Apple shares rose as Wedbush increased its price target for the stock to $310 from $270, citing better-than-expected demand for the iPhone 17 [4][6] Group 4: Mergers and Acquisitions - Metsera's shares soared after Pfizer announced plans to acquire the biopharma firm for up to $7.3 billion, capitalizing on the rising demand for weight-loss medications [4] Group 5: Real Estate Sector - Anywhere Real Estate's shares increased following the announcement of its acquisition by rival Compass, while Compass's shares declined [5] Group 6: Other Notable Movements - Kenvue's shares fell after reports linking its Tylenol product to autism, while Coinbase Global's shares dropped as major cryptocurrency prices declined [5][6]